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Capabilities of Mercuric Iodide as a Room Temperature X-Ray Detector

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5 Author(s)
Mieczyslaw Slapa ; Laboratory of Nuclear Medicine and Radiation Biology University of California at Los Angeles 900 Veteran Avenue, Los Angeles, California 90024 ; Gerald C. Huth ; Wolfgang Seibt ; Michael M. Schieber
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Measurement results obtained with HgI2 detectors at room temperature in the low energy x-ray region down to 2 keV are reported. The best resolution obtained is 548 e V for 5.9 keV x-rays, and the 2.01 keV phosphorous x-ray line has been resolved with a detector with an area of 14 mm2. The different noise sources of the detector-amplifier system are analysed and polarization effects in the detectors are discussed. The mercuric iodide crystals were grown from the vapour phase by gradient reversal techniques.

Published in:

IEEE Transactions on Nuclear Science  (Volume:23 ,  Issue: 1 )